The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 07, 2017
Filed:
Feb. 12, 2016
Applicant:
Hamamatsu Photonics K.k., Hamamatsu-shi, Shizuoka, JP;
Inventors:
Assignee:
HAMAMATSU PHOTONICS K.K., Hamamatsu-shi, Shizuoka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 43/22 (2006.01);
U.S. Cl.
CPC ...
H01J 43/22 (2013.01);
Abstract
The present invention relates to an electron multiplier and others to effectively suppress luminescence noise, even in compact size, in which each of multistage dynodes has a plurality of columns each having a peripheral surface separated physically, and in which each column is processed in such a shape that an area or a peripheral length of a section parallel to an installation surface on which the electron multiplier is arranged becomes minimum at a certain position on the peripheral surface in the column of interest.